Porous Cu with a dispersion of nanoscale Al2O3 particles is fabricated by freeze-drying CuO-Al2O3/camphene ... Camphene slurries with CuO-Al2O3 contents of 5 and 10 vol% are unidirectionally frozen at -30oC, and ... The size of the large pores decreases with increasing CuO-Al2O3 content by the changing degree of powder
An Al2O3/AlN bilayer deposited on GaN by atomic layer deposition (ALD) is employed to prepare Al2O3/ ... indicates that the barrier inhomogeneity appropriately explains the forward current transport across the Au/Al2O3 ... to the theoretical value of 26.4 Acm−2K−2 for n-GaN.
Fracture toughness of nanostructured W-Al2O3 is higher than that of monolithic Al2O3. ... Nanopowders of W and Al2O3 are synthesized from WO3 and Al powders during high-energy ball milling. ... Highly dense nanostructured W-Al2O3 composites are made within three minutes by high-frequency induction-heated
TCP grains with a size of 2-4 μm were well surrounded by Al2O3 grains with a size of 1 μm or less. ... ) MPa·m1/2 were obtained, which are large improvements over the strength of TCP/Al2O3 composites and ... β-Tricalcium phosphate (TCP) was added to Al2O3 to make a biomaterial with good mechanical properties
Al2O3-SiC ceramic composites are produced using pressureless sintering, and their plasma resistance, ... By the uniform distribution of SiC, the total grain growth is suppressed to about 1 μm; thus an Al2O3
And three fibers have been compared (Al2O3 80%/SiO2 20%, Al2O3 80%/SiO2 10% and Al2O3 97%/SiO2 3%). ... binder(SiO2 sol:Al2O3 sol=5:2). ... Al2 O3/AC8A composites were fabricated by low pressure infiltration process.
올레핀/파라핀 분리를 위해 Poly(ethylene oxide)(PEO)/AgBF4/Al(NO3)3/Ag2O 복합막이 제조되었으며, Ag2O가 도 입되었을 때, 복합체 분리막의 초기성능은 ... PEO/AgBF4/Al(NO3)3 분리막의 성 능(선택도 13와 투과도 7.5 GPU)에 비해서 초기성능이 증가한 이유는 Ag2O의 첨가로 인한 Ag ion의 활성도 증가로 생각되 ... For the separation of olefins/paraffins, poly(ethylene oxide)(PEO)/AgBF4/Al(NO3)3/Ag2O composite membranes
Excellent dielectric and insulating properties were demonstrated for both Al2O3 films. ... Aluminum-oxide(Al2O3) thin films were deposited by electron cyclotron resonance plasma-enhanced atomic ... In order to compare our results with those obtained using the conventional thermalALD method, Al2O3
금속 산화물로서 Cu-Mn/-Al2O3, Ni-Mn/-Al2O3, Cu/-Al2O3를 제조하여 Pt-Sn/Al2O3 촉매와 혼합하고, 프로판 탈수소 반응 성능을 측정하였다. ... Cu-Mn/-Al2O3, Ni-Mn/-Al2O3, Cu/-Al2O3 was prepared and mixed with Pt-Sn/Al2O3 to measure the activity ... 촉매와 금속산화물을 환원 처 리하여 반응활성을 측정한 경우, Cu/-Al2O3과 Pt-Sn/Al2O3의 혼합촉매가 기준샘플대비 초기에 높은 수율을 보였다.
본 연구에서는, LiCl-KCl 공융염폐기물 내 희토류 핵종 분리/고화공정의 단순화를 목적으로 Li2O-Al2O3-SiO2-B2O3계의 무기합성매질을 이용하여 LiCl-KCl 공융 ... - SiO2-B2O3 system was conducted to simplify the existing separation and solidification process of rare ... solidification of a rare earth nuclide (Nd) in LiCl-KCl eutectic salt using an inorganic composite with a Li2OAl2O3
BF4 -)와 금속산화물로서 Al2O3가 사용되었다. 13 nm의 Al2O3가 이온성 액체 BMIM+BF4 - 에 도입되었을 때, 복합체 분리막의 성능은 CO2/N2 선택도 30.5과 ... of Al2O3 and abundant free ions of ionic liquid. ... CO2 투과도 45.7 GPU로 관찰되었다. neat BMIM+BF4 - 분 리막의 성능(CO2/N2 선택도 5와 CO2 투과도 17 GPU)에 비해서 성능이 증가한 이유는 Al2O3의
temperature dependent current-voltage (I-V) measurements to characterize the electrical properties of Au/Al2O3 ... By considering the thickness of the Al2O3 interlayer, the barrier height for the treated sample was found ... These results were associated with the reduction of charge trapping and interface states near the Ge/Al2O3
In order to observe the dispersion property of Al2O3 sol under NMP solvent, Al2O3 sol dispersed under ... Al2O3 nanosol dispersed under ethanol or N-Methyl-2-pyrrolidone(NMP) was studied and optimized with ... Al2O3 sol was prepared under ethanol solvent by using a batch-type bead mill.
U-SAP (SiO2-Al2O3-Fe2O3-P2O5-B2O3) could effectively dechlorinate the LiCl-KCl waste and its reaction ... 본 연구에서는 그 후속적인 연구로서, 탈염화물질로 제안된 SAP (SiO2- Al2O3-P2O5)의 조성을 변화시켜 LiCl-KCl과의 반응성을 향상시키고 고화공정을 단순화시키고자 ... In this study, the composition of SAP (SiO2-Al2O3- P2O5) was adjusted to enhance the reactivity and to
솔젤법을 이용하여 탈염화물질, SiO2-Al2O3-P2O5 (SAP)을 합성하였으며 이를 이용하여 탈염화 반 응거동 반응생성물의 고형화 특성을 조사하였다. ... 본 연구는 SiO2, Al2O3, P2O5 로 이루 어진 탈염화 물질을 이용하여 반응특성과 고형화 특성에 대한 기본적인 정보를 제공하였으며, 이와 같은 실험을 통하여, 본 연구에서 ... In this study, a SiO2-Al2O3-P2O5 (SAP) inorganic composite as a dechlorination agent was prepared by
x 375g/mol = 75g 실제 사용한 시료(Al2O3)의 몰수 : Al(NO3)3·9H2O보다 Al이 2배이므로 0.1mol 실제 사용한 시료(Al2O3)의 양 : 0.1 x ... 분석 및 결과 토의 실험을 간단히 요약하면 (Al(NO3)3·9H2O)을 (NaOH + Al2O3 혼합물) 과 반응시키고, 인정화제 Li2O의 원료인 Li2CO3와 분산매 에탄올을 ... 몰 수가 0.2 : 7.7로 1 : 30 와 비슷하지만 다소 차이를 보인다. 3) 반응에 쓰인 Na2O의 양 : (Al2O3 몰수) x 0.2 x 62g/mol = 1.24g 실제
